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test(scripts): release-rehearsal-clone's C2 green line is stable — the measured timing prints only on failure (#15400) #15433

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Merged
baozhoutao merged 1 commit into from
Sep 4, 2026
+5 −1
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test(scripts): release-rehearsal-clone's C2 green line is stable — the measured timing prints only on failure (#15400) #15433

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6 changes: 5 additions & 1 deletion scripts/pm/release-rehearsal-clone.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -667,7 +667,11 @@ function selfTest() {
const healthyMs = Date.now() - startedAt;
t('C2 full clone → exit 0 (fit)', healthyRun.status === 0, `exit=${healthyRun.status}\n${healthyRun.stdout}${healthyRun.stderr}`);
t('C2 fit verdict is stated, not implied', /✓ FIT/.test(healthyRun.stdout), healthyRun.stdout);
t(`C2 a healthy tree is not slowed (${healthyMs} ms < 10000)`, healthyMs < 10_000);
// The measured figure prints in the FAILURE sink, never in the label: a green
// line carrying a wall-clock reading differs from run to run, so the
// `green lines are byte-identical` comparison this script is rehearsed with
// could never pass unnormalised. A red run still names the timing.
t('C2 a healthy tree is not slowed (< 10000 ms)', healthyMs < 10_000, `measured ${healthyMs} ms`);

// ── C3: a SHALLOW clone whose changesets sit after the boundary is fit.
// This is the no-crying-wolf half: `--is-shallow-repository` is true here.
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